:root {
  --bg: #f3f6f9;
  --card: #ffffff;
  --text: #0f2236;
  --muted: #5b6b7c;
  --line: #dde4ec;
  --accent: #d9822b;
  --track: #1d6fb8;
  --bar: #e6ecf2;
  --shadow: 0 1px 2px rgba(15, 34, 54, .06), 0 4px 16px rgba(15, 34, 54, .05);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #07131f;
    --card: #0e2133;
    --text: #e6edf4;
    --muted: #8fa3b6;
    --line: #1d3550;
    --accent: #f2a541;
    --track: #5fb3ff;
    --bar: #183048;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  --bg: #07131f; --card: #0e2133; --text: #e6edf4; --muted: #8fa3b6;
  --line: #1d3550; --accent: #f2a541; --track: #5fb3ff; --bar: #183048; --shadow: none;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
h1 { font-size: 1.5rem; margin: 0; letter-spacing: -.01em; }
h2 { font-size: .95rem; margin: 0 0 .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.muted { color: var(--muted); }
.fine { font-size: .8rem; }

.top, main, footer { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 20px; padding-bottom: 16px; }
.top p { margin: 2px 0 0; }
.actions { display: flex; gap: 8px; }
.ghost {
  font: inherit; font-size: .85rem; color: var(--text); background: transparent;
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.ghost:hover { border-color: var(--muted); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px; }

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; display: flex; flex-direction: column; box-shadow: var(--shadow); min-width: 0; }
.tile .label { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.tile .value { font-size: 1.75rem; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; }
.tile .sub { font-size: .8rem; color: var(--muted); }

.map-card { padding: 0; overflow: hidden; }
#map { height: 460px; background: var(--bar); }
.coords { margin: 0; padding: 8px 16px; font-size: .8rem; font-variant-numeric: tabular-nums; border-top: 1px solid var(--line); }
.boat-icon { transition: transform .3s; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid .card { margin-bottom: 16px; }

.conditions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; margin: 0; }
.conditions div { min-width: 0; }
.conditions dt { font-size: .75rem; color: var(--muted); }
.conditions dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }

.progress-row { display: flex; justify-content: space-between; font-size: .85rem; margin-top: 10px; }
.progress-row span:last-child { color: var(--muted); font-variant-numeric: tabular-nums; }
.bar { height: 10px; border-radius: 99px; background: var(--bar); overflow: hidden; margin-top: 4px; }
.bar div { height: 100%; width: 0; background: var(--accent); border-radius: 99px; transition: width .6s; }

.chart { width: 100%; }
.chart svg { width: 100%; height: 180px; display: block; }
.chart .axis { stroke: var(--line); }
.chart text { fill: var(--muted); font-size: 11px; }
.chart .line { fill: none; stroke: var(--track); stroke-width: 2; }
.chart .area { fill: var(--track); opacity: .12; }

footer { padding-bottom: 28px; }

/* login */
body.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 340px; display: flex; flex-direction: column; }
.login-card p { margin: 4px 0 18px; }
.login-card label { font-size: .8rem; color: var(--muted); margin-bottom: 4px; }
.login-card input {
  font: inherit; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text);
}
.login-card button {
  font: inherit; font-weight: 600; margin-top: 14px; padding: 10px; border: 0; border-radius: 8px;
  background: var(--accent); color: #1a1205; cursor: pointer;
}
.login-card .error { color: #d64545; margin: 10px 0 0; font-size: .85rem; }

.map-hint {
  display: none; margin: 0; padding: 6px 16px; font-size: .75rem; color: var(--muted);
}
.touch .map-hint { display: block; border-top: 1px solid var(--line); }
.leaflet-control.fit-btn a { font-size: 15px; line-height: 30px; cursor: pointer; }

/* Respect iPhone notch / home-indicator areas. */
.top, main, footer {
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}
footer { padding-bottom: max(28px, env(safe-area-inset-bottom)); }

@media (max-width: 760px) {
  body { font-size: 14px; }
  h1 { font-size: 1.3rem; }
  .top { padding-top: max(14px, env(safe-area-inset-top)); padding-bottom: 12px; align-items: flex-start; }
  .ghost { min-height: 36px; display: inline-flex; align-items: center; }
  .tiles { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
  .tile { padding: 12px; border-radius: 12px; }
  .tile .value { font-size: 1.35rem; }
  .tile .sub { font-size: .75rem; }
  .card { padding: 14px; border-radius: 12px; margin-bottom: 12px; }
  .map-card { padding: 0; }
  #map { height: min(62vh, 440px); }
  .grid { grid-template-columns: 1fr; gap: 0; }
  .grid .card { margin-bottom: 12px; }
  .conditions { gap: 10px 12px; }
  .progress-row { flex-wrap: wrap; gap: 0 8px; }
  .chart svg { height: 160px; }
  .leaflet-control-attribution { font-size: 9px; }
}

/* Inputs below 16px make iOS Safari zoom in on focus. */
@media (pointer: coarse) {
  .login-card input { font-size: 16px; }
  .login-card button { min-height: 44px; }
}

@media (max-width: 360px) {
  h1 { font-size: 1.15rem; }
  .ghost { padding: 6px 8px; font-size: .8rem; }
}